Dem Franchize Boyz — They are credited with helping to popularize the growing and infuriating infatuation with long white T-shirts with the “White Tee” smash hit and then following it up with “Lean Wit It, Rock Wit It” through Jermaine Dupri’s So So Def label. But like JD’s formerly dominant rap label, Dem Franchize Boyz faded into virtual oblivion.